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Finding the Fourth Proportional to 8,711.92, 13,058.94 and 3,444.80

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Solution

The fourth proportional to 8,711.92, 13,058.94 and 3,444.80 is: 5,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.92 : 13,058.94 = 3,444.80 : x
  2. Step 2: Convert to fraction form
    8,711.92/13,058.94 = 3,444.80/x
  3. Step 3: Cross multiply
    8,711.92x = 13,058.94 × 3,444.80
  4. Step 4: Simplify right side
    8,711.92x = 44,985,364.76
  5. Step 5: Solve for x
    x = 44,985,364.76/8,711.92
  6. Step 6: Final answer
    x = 5,163.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.